M 4.7 earthquake: South Pacific Ocean (Tonga) — August 25, 1974

M 4.7 earthquake: South Pacific Ocean (Tonga) — August 25, 1974. Epicenter 590 km SW of Nuku'alofa, depth 583 km, 16:52 Local (1974-08-25 04:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (590 km SW, Tonga) — -23.675, 179.743

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